Refresh some pdf/ps ref images

configure.ac

@@ -548,9 +548,8 @@ CAIRO_ENABLE_SURFACE_BACKEND(pdf, PDF, yes, [
 
 dnl ===========================================================================
 
-# poppler-0.9.2 has an important bug fixes for user-font and an
-# enhancement not to gobble nearly 1GiB of memory during test/large-font.
-POPPLER_VERSION_REQUIRED=0.13.3
+# poppler-0.17.4 fixes text-pattern and text-transform
+POPPLER_VERSION_REQUIRED=0.17.4
 test_pdf=no
 any2ppm_pdf=no
 if test "x$use_pdf" = "xyes"; then

test/README

@@ -117,7 +117,7 @@ Here are some of the relevant details:
     the fixes you will need to avoid false negatives from the test
     suite.
 
-  * To test the ps backend, you will need ghostscript version 8.71.
+  * To test the ps backend, you will need ghostscript version 9.04.
 
   * Testing the xlib backend is problematic since many X server
     drivers have bugs that are exercised by the test suite. (Or, if
@@ -276,12 +276,6 @@ linear-gradient-reflect
 radial-gradient
 trap-clip
 
-Poppler renders patterned text as black
-https://bugs.freedesktop.org/show_bug.cgi?id=14577
---------------------------------------------------
-text-pattern
-text-transform
-
 Poppler should paint images with CAIRO_EXTEND_PAD
 https://bugs.freedesktop.org/show_bug.cgi?id=14578
 --------------------------------------------------